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A 10.00-mL sample of blood was diluted to 100.00 mL. 10.00 mL of the resulting solution was analyzed for calcium by precipitating all of the calcium as calcium oxalate, CaC₂O4. The solid CaC₂04 was then re-dissolved in H₂SO4 and titrated with KMnO4. What is the Ca²+ ion concentration in the blood sample expressed as (milligrams Ca²+)/(mL blood) if the endpoint was reached with the addition of 1.14 mL of 0.00886 M KMnO4? 1- 5C₂042 + 2MnO4¹ + 16H¹+ → 2Mn²+ + 10CO₂ + 8H₂O

A 10.00-mL sample of blood was diluted to 100.00 mL. 10.00 mL of the resulting solution was analyzed for calcium by precipitating all of the calcium as calcium oxalate, CaC₂O4. The solid CaC₂04 was then re-dissolved in H₂SO4 and titrated with KMnO4. What is the Ca²+ ion concentration in the blood sample expressed as (milligrams Ca²+)/(mL blood) if the endpoint was reached with the addition of 1.14 mL of 0.00886 M KMnO4? 1- 5C₂042 + 2MnO4¹ + 16H¹+ → 2Mn²+ + 10CO₂ + 8H₂O

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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A 10.00-mL sample of blood was diluted to 100.00 mL. 10.00 mL of the resulting solution was analyzed for calcium by precipitating all of the calcium as calcium oxalate, CaC₂O4. The solid CaC₂O4 was then re-dissolved in H₂SO4 and titrated with KMnO4. What is the Ca²+ ion concentration in the blood sample expressed as (milligrams Ca²+)/(mL blood) if the endpoint was reached with the addition of 1.14 mL of 0.00886 M KMnO4? 2+ 1- 5C₂04² + 2MnO4¹ + 16H¹+→2Mn²+ + 10CO₂ + 8H₂O 2
Transcribed Image Text:A 10.00-mL sample of blood was diluted to 100.00 mL. 10.00 mL of the resulting solution was analyzed for calcium by precipitating all of the calcium as calcium oxalate, CaC₂O4. The solid CaC₂O4 was then re-dissolved in H₂SO4 and titrated with KMnO4. What is the Ca²+ ion concentration in the blood sample expressed as (milligrams Ca²+)/(mL blood) if the endpoint was reached with the addition of 1.14 mL of 0.00886 M KMnO4? 2+ 1- 5C₂04² + 2MnO4¹ + 16H¹+→2Mn²+ + 10CO₂ + 8H₂O 2
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